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5,789
RESULTS

Media Type
5,423
texts
227
audio
134
movies
3
images
1
education
1
software
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Topics & Subjects
3,484
ERIC Archive
1,380
Role Perception
1,197
Perception
743
Visual Perception
673
NASA Technical Reports Server (NTRS)
454
VISUAL PERCEPTION
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Collection
3,484
Education Resources Information Center (ERIC) Archive
673
NASA Network Resource and Training Site
405
Defense Technical Information Archive
331
American Libraries
200
Community Audio
167
The Medical Heritage Library
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Creator
3,484
eric
673
nasa technical reports server (ntrs)
405
defense technical information center
87
edwin vangorder
22
kenneth udut
12
non
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Language
5,380
English
75
German
37
French
4
Russian
2
Handwritten English
2
Italian
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